Orbital Matter Achieves Milestone with 3D Printed Beam in Space
German startup Orbital Matter has 3D printed its first beam in space, marking a pivotal step in spacecraft construction.
A groundbreaking achievement in space technology has been realized by the German startup Orbital Matter, which successfully 3D printed a half-meter-long beam aboard its satellite, Replicator 2. This landmark event represents the first instance of a rigid structure being manufactured in a free-flight environment in orbit.
Innovative 3D Printing Technology
Launched this summer as part of a SpaceX rideshare mission, Replicator 2 carried with it four cutting-edge 3D printers. Each printer operates by extruding coils of custom resin, which are solidified using ultraviolet light. This process is akin to mixing cement and water, demonstrating a new approach to building structures in space.
The significance of this advancement lies in the growing demand for higher electrical output and more effective heat dissipation in future spacecraft, especially those envisioned as orbital data centers. The ability to fabricate components directly in space may address the challenges of power management and thermal regulation, while also preserving the compact design needed for launch.
Strategic Partnerships and Future Plans
Jakub Stojek, CEO and co-founder of Orbital Matter, emphasized the importance of this technology, stating, “Replicator 2 is the first proof that we can simply build the array in space, at whatever size the mission demands.” The company has formed partnerships with the European Space Agency and Thales Alenia, a prominent satellite manufacturer in Europe, further enhancing its capabilities.
Unlike today's space structures, which are typically folded origami-style for launch, the potential to create and assemble larger components directly in orbit presents a more efficient solution. While NASA has explored similar concepts, recent attempts, such as those by Redwire to 3D print structural beams in a vacuum chamber, faced setbacks.
Challenges and Innovations
Two of the printers onboard Replicator 2 were designated for deploying a flexible solar array, although an anomaly caused one printer to malfunction. Despite this setback, the successful deployment of the solar array demonstrates the viability of Orbital Matter's technology. In the past, 3D printing experiments in microgravity were restricted to environments like the International Space Station.
Orbital Matter's CTO, Robert Ihnatisin, remarked on their approach: “That’s why we put so many printers on this single satellite. We preferred to learn in orbit and adapt the software as needed rather than waste years testing every possibility on the ground.” This adaptability could prove invaluable as the company moves forward.
The length of the printed boom is inherently constrained by the amount of resin the satellite can carry, but engineers are optimistic about creating structures as long as 100 meters. For context, the solar arrays on SpaceX's Starlink V2 satellites, which are recognized as some of the most powerful mass-produced satellites, measure only 20 meters.
Looking Ahead
Having co-founded Orbital Matter in 2022, Ihnatisin, who previously worked with 3D-printing company FormLabs, has already planned the next steps for the company. Another demonstration mission is slated for launch in 2028, which aims to showcase a larger printer on a more expansive satellite, expected to deploy a solar array capable of generating 5 kilowatts of power. This initiative will serve as a crucial step towards achieving larger solar arrays that could produce over 100 kilowatts per wing by 2030.
Additionally, Orbital Matter is engaging with satellite manufacturers interested in integrating its Printer-Assisted Deployment System (PADS) into their designs. This innovation could facilitate the extension of components like solar panels and antennas on various spacecraft.